评估用于可持续包装的聚羟丁酸混合物的机械、渗透和降解特性

IF 1.4 4区 工程技术 Q3 ENGINEERING, CHEMICAL
Simran Ahuja, Amisha Verma, Sanjiv Arora
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引用次数: 0

摘要

本研究通过将聚羟丁酸(PHB)与不同的聚合物混合,探索开发环境可持续的高质量包装材料。为实现这一目标,纯 PHB 与聚(乙二醇)(PEG)以 9:1 的精确比例混合。随后,使用溶剂浇铸法将这种混合物与 50 wt%的各种聚合物(即聚己内酯、聚(乙烯基乙酸酯)和聚乳酸)进一步混合。此外,研究还探讨了这些材料的多方面特性,包括热特性、形态结构、机械强度、阻隔特性和降解行为。在这些混合物中,由 PHB、PEG 和聚乳酸(PHB/PEG/PLA)组成的薄膜表现突出,显示出卓越的特性。值得注意的是,PHB/PEG/PLA 复合薄膜具有显著的热稳定性,拉伸强度高达 26.6 兆帕。此外,它还具有出色的阻隔水蒸气的能力。这些研究结果表明,PHB/PEG/PLA 复合薄膜具有广泛的应用潜力,尤其是在包装及其他领域。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of mechanical, permeation, and degradation properties of poly(hydroxybutyrate) blends for sustainable packaging

This study explores the development of environmentally sustainable, high-quality packaging materials by incorporating poly(hydroxybutyrate) (PHB) with different polymers. To accomplish this objective, pure PHB was blended with poly(ethylene glycol) (PEG) in a precise 9:1 ratio. Subsequently, this blend was further combined with 50 wt% of various polymers, namely, polycaprolactone, poly(vinylacetate), and polylactic acid (PLA), using a solvent-casting method. Further, the research investigates the multifaceted properties of these materials, including their thermal characteristics, morphological structures, mechanical strengths, barrier properties, and degradation behaviors. Among these blends, the film consisting of PHB, PEG, and PLA (PHB/PEG/PLA) emerged as a standout performer, displaying exceptional attributes. Notably, the PHB/PEG/PLA composite film exhibited remarkable thermal stability, boasting a high tensile strength of 26.6 MPa. Additionally, it demonstrated an outstanding ability to serve as a barrier against water vapors. These findings imply that the PHB/PEG/PLA composite film holds significant potential for a wide range of applications, particularly in the field of packaging and beyond.

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来源期刊
自引率
11.10%
发文量
111
期刊介绍: Asia-Pacific Journal of Chemical Engineering is aimed at capturing current developments and initiatives in chemical engineering related and specialised areas. Publishing six issues each year, the journal showcases innovative technological developments, providing an opportunity for technology transfer and collaboration. Asia-Pacific Journal of Chemical Engineering will focus particular attention on the key areas of: Process Application (separation, polymer, catalysis, nanotechnology, electrochemistry, nuclear technology); Energy and Environmental Technology (materials for energy storage and conversion, coal gasification, gas liquefaction, air pollution control, water treatment, waste utilization and management, nuclear waste remediation); and Biochemical Engineering (including targeted drug delivery applications).
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